actuator
auto
automotive
belt
car
chain
chrome
cog
complex
complexity
compression
detail
device
diesel
efficient
electric
engine
engineering
fuel
futuristic
gear
hybrid
hydrogen
industrial
iron
manufacturing
mechanic
metal
metallic
modern
motor
motorized
motorshow
part
petroleum
polished
prototype
shiny
steel
technology
torque
transfer
transmission
transportation
vehicle